Home / Engine & Performance / Manley Valve Spring 1443 POLISHED “JE-Pistons kit R8 5.2L V10 ’09+ 85.00mm 10.5:1” has been added to your cart. View cart Manley Valve Spring 1443 POLISHED€ 1.105,06 Manley Valve Spring 1443 POLISHED quantity Add to cart SKU: 221443P-16 Categories: Cylinder Head, Engine & Performance, Valves & Springs Brand: Manley Related products Bolts & StudsEngine & Performance ARP cabinet with SS 12pt accessory bolts Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG40 Comp Gate 40 Engine & PerformanceEngine Block JE-Pistons kit R8 5.2L V10 ’09+ 85.00mm 10.5:1 Engine & PerformanceEngine Block JE-Pistons kit R8 5.2L V10 ’09+ 85.00mm 9.0:1